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#------------------------------------------------------------------------------
# Copyright (c) 2007, Riverbank Computing Limited
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD license.
# However, when used with the GPL version of PyQt the additional terms described in the PyQt GPL exception also apply
#
# Author: Riverbank Computing Limited
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
# Standard library imports.
from logging import DEBUG
# Major package imports.
from pyface.qt import QtCore, QtGui
# Enthought library imports.
from traits.api import Any, Bool, Font, Instance, Int, provides
from traits.api import Tuple, Unicode
# Local imports.
from pyface.i_splash_screen import ISplashScreen, MSplashScreen
from pyface.image_resource import ImageResource
from .window import Window
@provides(ISplashScreen)
class SplashScreen(MSplashScreen, Window):
""" The toolkit specific implementation of a SplashScreen. See the
ISplashScreen interface for the API documentation.
"""
#### 'ISplashScreen' interface ############################################
image = Instance(ImageResource, ImageResource('splash'))
log_level = Int(DEBUG)
show_log_messages = Bool(True)
text = Unicode
text_color = Any
text_font = Any
text_location = Tuple(5, 5)
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create_control(self, parent):
splash_screen = QtGui.QSplashScreen(self.image.create_image())
self._qt4_show_message(splash_screen)
return splash_screen
###########################################################################
# Private interface.
###########################################################################
def _text_changed(self):
""" Called when the splash screen text has been changed. """
if self.control is not None:
self._qt4_show_message(self.control)
def _qt4_show_message(self, control):
""" Set the message text for a splash screen control. """
if self.text_font is not None:
control.setFont(self.text_font)
if self.text_color is None:
text_color = QtCore.Qt.black
else:
# Until we get the type of this trait finalised (ie. when TraitsUI
# supports PyQt) convert it explcitly to a colour.
text_color = QtGui.QColor(self.text_color)
control.showMessage(self.text, QtCore.Qt.AlignLeft, text_color)
#### EOF ######################################################################
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